Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
June 22, 2012
Submitted
August 10, 2012
Operation
Air carrier
Aircraft
N665UA
Make and model
Boeing 767322
Aircraft serial
29237
Aircraft time
50,252 hours, 13,492 cycles
Engine
Pwa PW4056
Part
Shutoff Valve
Condition
Activated
Location
Fuel System
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CREW REPORTS INFLIGHT TRANSFER TO CENTER FUEL TANK. SEALED RIB 3 AT 1400, 12 HR CURE. REPLACED LT IB MAIN SHUT OFF VALVE. TANKS CLOSED. TO FUEL 0530 FOR LK & OP CKS. ACP MM28-11-95 ITEM 2.A (4) FOUND SMALL FUEL LEAK AT RIB 3 UPPER AREA BETWEEN STA. L5 AND L6. -SEALED AREA AT RIB 3 UPPER R BETWEEN STR L5 AND L6 WITH 3750-3 AND 3750-5 AT 14:00 NEEDS LEAK CHECK. -REMOVED AND REPLACED LT FUEL TNK INBD FUEL SHUT OFF VLV PER MM. ACP'D NON RII INSP OF AMIS ITEM 2522010 LT FUEL TANK INBD SHUTOFF VLV IAW AMM FOR SAFETY AND SECURITY. INSTALLED FUEL SHUT OFF VLV ACTUATOR PER MM28-21-02. RT MAIN FUEL SELECT INDICATOR GLASS FOGGED UP. REPLACED INDICATOR AND TESTED PER MM, OP CHECKED GOOD